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- W4253484175 abstract "[3855-45-6] CF3N3O2S (MW 175.09) InChI = 1/CF3N3O2S/c2-1(3,4)10(8,9)7-6-5 InChIKey = NQPHMXWPDCSHTE-UHFFFAOYAT (reagent for diazo or trifluoromethanesulfonylamino transfer) Alternate Name: triflyl azide, TfN3. Physical Data: colorless liquid with a pungent odor, bp 80–81 °C,7 52.3 °C (444 mm Hg),1 45 °C (350 mm Hg),3 1.3474,7 1.5400.7 Solubility: soluble in most organic solvents, e.g. hexane, decalin, dichloromethane, THF, dioxane, acetone, MeCN, DMF, DMSO, MeOH. Form Supplied in: not commercially available. Analysis of Reagent Purity: IR,1-6 Raman,6 19F-NMR,2 MS,3 UV;1, 7 other analysis: gas electron diffraction.8 Preparative Methods: from Tf2O and NaN3 in H2O/CH2Cl2,2, 5 Tf2O and NaN3 in H2O/catalyst Bu4NHSO4/hexane,4 TfF and NaN3 in MeOH,7 or TfCl and NaN3 in MeCN.3 Purification: distillation at reduced pressure1, 3 (CAUTION!). Handling, Storage, and Precautions: prepared in situ as a solution in dichloromethane,5 hexane,4 MeCN,3 or ClCH2CH2Cl.9 Solutions in dichloromethane are stable at −14 °C for several weeks;10 solutions in hexane are stable at 4 °C for several days.4 Neat TfN3 is stable up to 100 °C.7 CAUTION: Preparation of TfN3 in the absence of an organic solvent should be avoided as it may lead to an explosion.2 Reactions involving neat TfN3 should always be handled behind a safety shield." @default.
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- W4253484175 date "2009-03-15" @default.
- W4253484175 modified "2023-09-26" @default.
- W4253484175 title "Trifluoromethanesulfonyl Azide" @default.
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- W4253484175 doi "https://doi.org/10.1002/047084289x.rn00114.pub2" @default.
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